package Homework;

/**
 * @description: 练习
 * @author: Zane Zhang
 * @create: 2022-09-06 14:32
 **/
public class Test01 {
    public static void main(String[] args) {
        String filename1="logo.png";//png format
        String filename2="jquery.1.1.2.js";//.js format

        String ext =getExtByName(filename1);
        System.out.println(ext);
         ext = getExtByName(filename2);
        System.out.println(ext);


    }

    private static String getExtByName(String name) {
        return "";
    }


}

